It should be noted that the three types of rocks are igneous, sedimentary, and the metamorphic rock.
<h3>Types of rocks.</h3>
Your information is incomplete. Therefore, an overview will be given. It should be noted that rocks are a solid mass of geological material.
There are three main types of rocks and they are igneous, sedimentary, and the metamorphic rock.
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Answer:
The resource that accounts to be Botswana's 90% export earnings is "Diamonds." Diamond has many unequaled qualities and is very unique among minerals. It is the hardest known substance, it is the greatest conductor of heat.
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